﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Swallow:Birds
    {
        public void Nesting() 
        {
            Console.WriteLine("筑巢");
        }
        public override void Eat()
        {
            base.Eat();
            Console.WriteLine("吃素");
        }
        public override void Cry()
        {
            base.Cry();
            Console.WriteLine("咕叽咕叽");
        }
    }
}
